|
stress |
strain |
3 types of deformation |
|
plastic |
elastic |
fracture |
|
forces |
compression |
tension |
|
shear |
strike |
dip |
|
Brunton Compass |
cross section |
block diagram |
|
folds |
anticline |
dome |
|
syncline |
basin |
monocline |
|
limb |
axis |
axial plane |
|
nose |
plunge |
|
joint |
fault |
fault plane |
|
epicenter |
focus |
shallow, intermediate, deep |
|
seismic waves |
P, S, R, Love |
seismograph |
|
Richter scale |
Modified Mercalli scale |
liquifaction |
|
Headwall (Hangingwall) |
Footwall |
|
|
horst |
graben |
older rocks on upthrown block |
Types of Faults
|
normal |
reverse |
thrust |
|
decollment |
strike slip |
left lateral |
|
right lateral |
transform |
oblique slip |
basin, range, horst, graben, playa, intermontane
|
unconformity |
disconformity |
|
nonconformity |
angular unconformity |
Here is a picture of Portage, Alaska, a town that was detroyed by the great Alaska earthquake, M>9..
Here is a link to the Seismic Monitor.
For USGS links to some earthquake related materials one arthquake effects, fault models, and the Loma Prieta, CA earthquake click here and scroll through the page. Materials are available in HyperCard, paer, and QuickTime.
Here is a link to USGS fault models.
The GeoLabs index which links to the Virtual Earthquake lab can be reached at any one of these sites.
http://vcourseware5.calstatela.edu/GeoLabs/
http://vcourseware4.calstatela.edu/GeoLabs/
http://vcourseware3.calstatela.edu/GeoLabs/
http://vcourseware2.calstatela.edu/GeoLabs/
http://vcourseware.calstatela.edu/GeoLabs/